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Article
Eric W. M. Stienen, Auteur ; Allix Brenninkmeijer, Auteur ; Wouter Courtens, AuteurSeabirds exhibit considerable behavioural flexibility in foraging investment in order to meet the nutritional needs of their chicks during variable environmental conditions. Although regulation of offspring provisioning is generally thought to b[...]
Article
Allix Brenninkmeijer, Auteur ; Eric W. M. Stienen, Auteur ; Piet G. M. Van Tienen, AuteurDans Limosa (71(3) 1998)After a series of years (1992, 1994-96) with one single breeding pair of Short-eared Owls Asio flammeus, in 1997, two pairs nested on the island of Griend in the Dutch Wadden Sea. The early pair fledged two chicks. while the late pair had no fle[...]
Article
Eric W. M. Stienen, Auteur ; Allix Brenninkmeijer, Auteur ; Marcel Klaassen, AuteurGull-billed Terns Gelochelidon nilotica wintering in Guinea Bissau mainly fed on fiddler crabs Uca tangeri and were occasionally seen feeding on fish and locusts. As fiddler crabs have a low energy content, terns need a large gross intake to mee[...]
